Systems of Particles, Linear Momentum
Impulse & Momentum
RealVideo®9:38 minutes (11:52 - 21:30)
Definition, including impulse as δp and Fδt; impact times and forces. Includes video of a ball bouncing in extreme slow-motion to show 7 ms impact time.
Instructor: Prof. Walter Lewin
Prior Knowledge: Momentum (Beginning of V15)
Conservation of Linear Momentum, Collisions
RealVideo®12:37 minutes (22:52 - 35:29)
Demonstrations showing blocks exploding apart on air track; p = 0 while KE increases.
Instructor: Prof. Walter Lewin
Prior Knowledge: Real World Collisions (16:13 of V15)
RealVideo®13:11 minutes (9:41 - 22:52)
Elastic collisions of billiard balls and shuttles on air track; 3 demonstrations.
Instructor: Prof. Walter Lewin
Prior Knowledge: Elastic Collisions (Beginning of V16)
RealVideo®8:46 minutes (40:05 - 48:51)
Inelastic collisions on air track with m->m and m->2m; detailed calculations and predictions.
Instructor: Prof. Walter Lewin
Prior Knowledge: Heat Loss in Collisions (31:00 of V16)
RealVideo®5:48 minutes (6:04 - 11:52)
Numerical calculations for ballistic pendulum experiment, including an approximation of kinetic energy loss.
Instructor: Prof. Walter Lewin
Prior Knowledge: Ballistic Pendulum (Beginning of V17)
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